Home / 217,485,790.80-326,228,686.20-73,878,622.80

Finding the Fourth Proportional to 217,485,790.80, 326,228,686.20 and 73,878,622.80

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Solution

The fourth proportional to 217,485,790.80, 326,228,686.20 and 73,878,622.80 is: 110,817,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,485,790.80 : 326,228,686.20 = 73,878,622.80 : x
  2. Step 2: Convert to fraction form
    217,485,790.80/326,228,686.20 = 73,878,622.80/x
  3. Step 3: Cross multiply
    217,485,790.80x = 326,228,686.20 × 73,878,622.80
  4. Step 4: Simplify right side
    217,485,790.80x = 24,101,326,054,309,364
  5. Step 5: Solve for x
    x = 24,101,326,054,309,364/217,485,790.80
  6. Step 6: Final answer
    x = 110,817,934.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.